Genus: Limax amoebae with hyaline cap reduced to shallow crescent or absent in continuing locomotion, though always seen on initiation of pseudopodium; advance often with non-eruptive slight antero-lateral bulging; villous-bulb uroid with more or less rigid fine villi often present (Page, 1976). Species: Slender, 40-75 μm long; villous bulb common; nucleus 5.8-8.6 μm (Page, 1976). 75-100 μm long; pseudopods, lobate; uroid, many short filaments; ectoplasm clear, thick (?), distinct (Illustrated Guide, 1985).

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50 μm 100 μm 150 μm; x 400

Saccamoeba sp. (limax or related species), x 400, by Y. Tsukii
50 μm 100 μm 150 μm; x 400